Atlas/KNEE LOCKS/Z-Lock
Knee locks·Knee joint (MCL, LCL, meniscus) · Gi & no-gi

Z-Lock.

Knee compression attack using Z-shaped leg configuration

// Z-LOCK
9
DANGER / 10
Risk level
High
knee joint (mcl, lcl, meniscus)
Tap urgency
Immediate
tap response
Difficulty
4
/ 5 — setup
Danger level
9
/ 10
Positions
32
entry points
Perm. damage
Yes
irreversible risk
//01About this submission

What it is

Knee compression attack using Z-shaped leg configuration

What you do

The step-by-step execution breakdown lives in the app — mechanics, tips, and the full entry sequence.

Open1submission detailin the App Store
//02Stats breakdown
Setup complexity
4/10
Learning priority
2/10
Escapability
1/10
Versatility
2/10
Danger level
9/10
//03IBJJF belt legality
WHITEILLEGALBLUEILLEGALPURPLELEGALBROWNLEGALBLACKLEGAL
//05Entries by position

32 ways in.

All32entriesin the App Store
CONTROLLING50
Truck
Leg locked, head controlled - twister, calf slicer, back take
13 ↗ transitionsControlling
CONTROLLING50
Reverse Mount
Facing their legs, heavy pressure - attack legs, take back
12 ↗ transitionsControlling
GUARDING50
Reap Clamp
Reap clamp control leg attacks
15 ↗ transitionsGuarding
ENTANGLING50
Reverse Outside Ashi
Reversed control - heel hooks from different angle
18 ↗ transitionsEntangling
ENTANGLING50
Reverse Ashi Garami
Outside control - reverse heel hooks and ankle locks
17 ↗ transitionsEntangling
ENTANGLING50
Outside Sankaku
Triangle locked - heel hooks and knee bars
7 ↗ transitionsEntangling
ENTANGLING50
Outside Ashi Garami
Outside wrap - ankle locks and mobile attacks
12 ↗ transitionsEntangling
ENTANGLING50
Inside Ashi Garami
Inside position - heel hooks and ankle locks
12 ↗ transitionsEntangling
ENTANGLING50
Double Outside Ashi
Both legs trapped - heel hooks on either side
11 ↗ transitionsEntangling
ENTANGLING50
Cross Ashi Garami
Legs crossed - heel hooks with strong control
15 ↗ transitionsEntangling
ENTANGLING50
Ashi Garami
Leg trapped - straight ankle locks and position advancement
20 ↗ transitionsEntangling
ENTANGLING50
50/50 Knee Clear
Knee cleared - heel hooks with better angles
16 ↗ transitionsEntangling
ENTANGLING50
50/50 Guard
Inside position - heel hooks and entanglement advancement
17 ↗ transitionsEntangling
ENTANGLING50
Inside Sankaku Finish
Triangle their leg - heel hook or knee bar
16 ↗ transitionsEntangling
ENTANGLING50
False Reap
Outside leg over thigh - off-balance, heel and back threats
7 ↗ transitionsEntangling
GUARDING50
Cross-Saddle
Attack with crossed entanglement and heel hooks
15 ↗ transitionsGuarding
GUARDING50
Backside Single-Leg X
Behind leg control - attack legs, take back
16 ↗ transitionsGuarding
GUARDING50
Backside 50/50
Behind control with leg attacks
9 ↗ transitionsGuarding
GUARDING40
Single Leg X
Elevate and sweep from leg control
23 ↗ transitionsGuarding
CONTROLLING40
Reverse Kesa Gatame
Facing their legs, control arm - attack legs, take back
14 ↗ transitionsControlling
GUARDING40
Reverse De La Riva
Reverse hook control - sweeps to back exposure
21 ↗ transitionsGuarding
GUARDING40
RDLR Knee-Shield Hybrid
RDLR hook knee shield control
10 ↗ transitionsGuarding
ENTANGLING40
Kneebar Control
Straight-leg clamp - kneebar with ashi and back-take exits
14 ↗ transitionsEntangling
GUARDING40
Backside K-Guard
Hook behind leg - back takes, guard entries
13 ↗ transitionsGuarding
GUARDING30
Reverse Half Guard
Face away half guard control
13 ↗ transitionsGuarding
GUARDING30
Headquarters Guard
Distance managed while transitioning guard systems
32 ↗ transitionsGuarding
GUARDING30
Deep Half Lockdown
Lockdown legs - sweep and back take
8 ↗ transitionsGuarding
GUARDING20
Z-Guard
Shin frame active - prevent pressure, sweep
15 ↗ transitionsGuarding
GUARDING20
Open Guard
Switch guard types while attacking sweeps and submissions
29 ↗ transitionsGuarding
GUARDING20
Matrix Guard
Angle shifts and mobility for retention
19 ↗ transitionsGuarding
GUARDING20
K-Guard
Knee shield active with sweep angles
22 ↗ transitionsGuarding
GUARDING20
Half Guard
Fighting to free trapped leg and pass
32 ↗ transitionsGuarding
// Z-Lock · Knee locks

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